18719898

素因数分解:

$2^1\times 3^1\times {\mathrm{163}}^1\times {\mathrm{19141}}^1$

素因数の和:19309

約数の個数: 16

約数和(自身を含む): 37671456

約数和(自身を除く): 18951558

約数列:

[1, 2, 3, 6, 163, 326, 489, 978, 19141, 38282, 57423, 114846, 3119983, 6239966, 9359949, 18719898]

約数ペア:

[(1, 18719898), (2, 9359949), (3, 6239966), (6, 3119983), (163, 114846), (326, 57423), (489, 38282), (978, 19141)]